Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Osmeriformes (Smelts) > Opisthoproctidae (Barreleyes or spookfishes)
Etymology: Rhynchohyalus: Greek, rhingchos = snout + Greek, hyalos, ou = glass (Ref. 45335).

Environment / Climate / Range Ecology

Marine; pelagic-oceanic; depth range ? - 775 m (Ref. 86942). Tropical, preferred ?; 35°N - 49°S, 89°W - 154°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: Madeira and off Cape Town, South Africa (Ref. 6597). Western Atlantic: in tropical waters. Western Pacific: off the Ogasawara Islands (Ref. 559), Australia (Ref. 7300), and New Zealand (Ref. 5755). Reported from the Hawaiian Islands (Ref. 58302).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 16.0 cm SL male/unsexed; (Ref. 6542)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 10-12; Anal spines: 0; Anal soft rays: 7 - 10. Scattered melanophores ventrally; pelvic fins and area around anus black; head translucent (Ref. 6597). Body compressed. Brown in preserved specimen, with black pigment cells scattered in lower half (Ref. 37473).

Mesopelagic (Ref. 58302). Eggs and larvae are pelagic. Does not exhibit diurnal vertical migration (Ref. 6686).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Quéro, J.-C., 1990. Opisthroproctidae. p. 241-243. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 6542)

IUCN Red List Status (Ref. 115185)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic Level (Ref. 69278): 3.7 ±0.1 se; Based on size and trophs of closest relatives

Resilience (Ref. 69278): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

Vulnerability (Ref. 59153): Low to moderate vulnerability (33 of 100) .

Entered by Binohlan, Crispina B.

Modified by Valdestamon, Roxanne Rei

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